//
// Created by 吴锐 on 2022/3/3.
//

#include "speechManager.h"

SpeechManager::SpeechManager() {
    this->initSpeech();
    this->createSpeaker();
    this->loadRecord();
}

void SpeechManager::showMenu() {
    cout << "欢迎参加演讲比赛" << endl;
    cout << "1.开始演讲比赛" << endl;
    cout << "2.查看往届记录" << endl;
    cout << "3.清空比赛记录" << endl;
    cout << "0.退出比赛程序" << endl;
    cout << endl;
}

void SpeechManager::exitSystem() {
    cout << "欢迎下次使用" << endl;
}

void SpeechManager::initSpeech() {
    //容器置空
    this->v1.clear();
    this->v2.clear();
    this->vVictory.clear();
    this->m_Speaker.clear();
    this->m_Index = 1;
    this->m_Record.clear();
}

void SpeechManager::createSpeaker() {
    string nameSeed = "ABCDEFGHIJKL";
    for (int i = 0; i < nameSeed.size(); i++) {
        string name = "选手";
        name += nameSeed[i];
        Speaker sp;
        sp.m_Name = name;
        for (int j = 0; j < 2; j++) {
            sp.m_Score[j] = 0;
        }
        this->v1.push_back(i + 10001);
        this->m_Speaker.insert(make_pair(i + 10001, sp));
    }
}

void SpeechManager::startSpeech() {
    this->speechDraw();
    this->speechContest();
    this->showScore();
    this->m_Index++;
    this->speechDraw();
    this->speechContest();
    this->showScore();
    this->saveRecord();
    this->initSpeech();
    this->createSpeaker();
    this->loadRecord();
    cout << "本届比赛完毕" << endl;
    system("pause");
    system("cls");
}

void SpeechManager::speechDraw() {
    cout << "第<< " << this->m_Index << " >>轮比赛选手正在抽签" << endl;
    cout << "---------------------" << endl;
    cout << "抽签后的演讲顺序如下" << endl;
    if (this->m_Index == 1) {
        random_shuffle(v1.begin(), v1.end());
        for (vector<int>::iterator it = v1.begin(); it != v1.end(); it++) {
            cout << *it << " ";
        }
        cout << endl;
    } else {
        random_shuffle(v2.begin(), v2.end());
        for (vector<int>::iterator it = v2.begin(); it != v2.end(); it++) {
            cout << *it << " ";
        }
        cout << endl;
    }
    cout << "----------------------";
    system("pause");
    cout << endl;
}

void SpeechManager::speechContest() {
    cout << "第<< " << this->m_Index << " >>轮比赛正式开始" << endl;
    multimap<double, int, greater<double>> groupScore;
    int num = 0;
    vector<int> v_Src;
    if (this->m_Index == 1) {
        v_Src = v1;
    } else {
        v_Src = v2;
    }
    for (vector<int>::iterator it = v_Src.begin(); it != v_Src.end(); it++) {
        num++;
        deque<double> d;
        for (int i = 0; i < 10; i++) {
            double score = (rand() % 401 + 600) / 10.0f;
            d.push_back(score);
        }
        sort(d.begin(), d.end(), greater<double>());
        d.pop_front();
        d.pop_back();
        double sum = accumulate(d.begin(), d.end(), 0.0f);
        double avg = sum / (double) d.size();
        this->m_Speaker[*it].m_Score[this->m_Index - 1] = avg;
        groupScore.insert(make_pair(avg, *it));
        if (num % 6 == 0) {
            cout << "第" << num / 6 << "小组的比赛名次: " << endl;
            for (multimap<double, int, greater<double>>::iterator it = groupScore.begin();
                 it != groupScore.end(); it++) {
                cout << "编号: " << it->second << " 姓名: " << this->m_Speaker[it->second].m_Name << " 成绩: "
                     << this->m_Speaker[it->second].m_Score[this->m_Index - 1] << endl;
            }
            int count = 0;
            for (multimap<double, int, greater<double>>::iterator it = groupScore.begin();
                 it != groupScore.end() && count < 3; it++, count++) {
                if (this->m_Index == 1) {
                    v2.push_back((*it).second);
                } else {
                    vVictory.push_back((*it).second);
                }
            }
            groupScore.clear();
            cout << endl;
        }
    }
    cout << "第<< " << this->m_Index << " >>轮比赛完毕" << endl;
    system("pause");
}

void SpeechManager::showScore() {
    cout << "第" << this->m_Index << "轮晋级选手信息如下: " << endl;
    vector<int> v;
    if (this->m_Index == 1) {
        v = v2;
    } else {
        v = vVictory;
    }
    for (vector<int>::iterator it = v.begin(); it != v.end(); it++) {
        cout << "选手编号: " << *it << " 姓名: " << this->m_Speaker[*it].m_Name << " 得分: "
             << this->m_Speaker[*it].m_Score[this->m_Index - 1] << endl;
    }
    cout << endl;
    system("pause");
    system("cls");
    this->showMenu();
}

void SpeechManager::saveRecord() {
    ofstream ofs;
    ofs.open("speech.csv", ios::out | ios::app);
    for (vector<int>::iterator it = vVictory.begin(); it != vVictory.end(); it++) {
        ofs << *it << "," << this->m_Speaker[*it].m_Score[1] << ",";
    }
    ofs << endl;
    ofs.close();
    cout << "记录已经保存" << endl;
    this->fileIsEmpty = false;
}

void SpeechManager::loadRecord() {
    ifstream ifs("speech.csv", ios::in);
    if (!ifs.is_open()) {
        this->fileIsEmpty = true;
        ifs.close();
        return;
    }
    char ch;
    ifs >> ch;
    if (ifs.eof()) {
        this->fileIsEmpty = true;
        ifs.close();
        return;
    }
    this->fileIsEmpty = false;
    ifs.putback(ch);
    string data;
    int index = 0;
    while (ifs >> data) {
        vector<string> v;
        int pos = -1;
        int start = 0;
        while (true) {
            pos = data.find(",", start);
            if (pos == -1) {
                break;
            }
            string temp = data.substr(start, pos - start);
            v.push_back(temp);
            start = pos + 1;
        }
        this->m_Record.insert(make_pair(index, v));
        index++;
    }
    ifs.close();
}

void SpeechManager::showRecord() {
    if(this->fileIsEmpty){
        cout << "文件为空或者文件不存在!" << endl;
    }else {
        for (int i = 0; i < this->m_Record.size(); i++) {
            cout << "第" << i + 1 << "届" << " 冠军编号" << this->m_Record[i][0] << " 得分: " << this->m_Record[i][1] << " "
                 << " 亚军编号" << this->m_Record[i][2] << " 得分: " << this->m_Record[i][3] << " "
                 << " 季军编号" << this->m_Record[i][4] << " 得分: " << this->m_Record[i][5] << endl;
        }
    }
    system("pause");
    system("cls");
}

void SpeechManager::clearRecord() {
    cout << "是否确定清空文件?: " << endl;
    cout << "1.是" << endl;
    cout << "2.否" << endl;
    int select = 0;
    while (true){
        cin >> select;
        if(select == 1){
            ofstream ofs("speech.csv", ios::trunc);
            ofs.close();
            this->initSpeech();
            this->createSpeaker();
            this->loadRecord();
            cout << "清空成功!" << endl;
            break;
        }else if(select == 2){
            break;
        }else {
            cout << "您输入的指令错误，请重新输入" << endl;
        }
    }
    system("pause");
    system("cls");
}

SpeechManager::~SpeechManager() {

}